Jack Sills, MD
NPI 1528114774 · Neonatal-Perinatal Medicine Physician · Orange, CA
Jack Sills, MD is a Neonatal-Perinatal Medicine Physician provider in Orange, CA (NPI 1528114774).
Provider details
- NPI number
- 1528114774
- Entity type
- Individual
- Primary specialty
- Neonatal-Perinatal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G43525 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-27
- Last updated
- 2007-07-08
Frequently asked questions
- What is Jack Sills's NPI number?
- Jack Sills's National Provider Identifier (NPI) is 1528114774, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jack Sills's specialty?
- Jack Sills is listed in the NPPES registry with a primary specialty of Neonatal-Perinatal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jack Sills located?
- Jack Sills's practice location on file with NPPES is 101 the City Dr S, Orange, CA 92868-3201.
- What is Jack Sills's phone number?
- The practice phone number listed in the NPPES registry for Jack Sills is (714) 456-6933.
- Is Jack Sills's NPI active?
- Yes — Jack Sills's NPI (1528114774) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.